Janitor issues

* Remove obsolete code
* Fix path modification of a relative folder
Replace start token '.' with file path to the project file to make sure that the path './wells/a-1h.dev' can be imported correctly.
* Add more logging when keywords are missing from import

ApplicationLibCode/ProjectDataModel/WellPath/RimWellPathCollection.h

@@ -120,7 +120,6 @@ public:
 
     void scheduleRedrawAffectedViews();
 
-    void   updateFilePathsFromProjectPath( const QString& newProjectPath, const QString& oldProjectPath );
     bool   anyWellsContainingPerforationIntervals() const;
     size_t modelledWellPathCount() const;